Class: Document::DateRangeValidator

Inherits:
ActiveModel::Validator
  • Object
show all
Defined in:
app/models/document/date_range_validator.rb

Overview

DateRangeValidator

Instance Method Summary collapse

Instance Method Details

#valid_yyyy(date) ⇒ Object 



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# File 'app/models/document/date_range_validator.rb', line 58

def valid_yyyy(date)
  if date[/\D/]
    false unless date == "*"
  else
    true
  end
end

#validate(record) ⇒ Object 



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# File 'app/models/document/date_range_validator.rb', line 10

def validate(record)
  valid_date_ranges = true
  record.send(GeoblacklightAdmin::Schema.instance.solr_fields[:date_range]).each do |date_range|
    # Empty is fine
    if date_range.blank?
      valid_date_ranges = true
      return valid_date_ranges
    end

    # Must split into two via '-'
    if date_range.split("-").size != 2
      record.errors.add(GeoblacklightAdmin::Schema.instance.solr_fields[:date_range],
        "invalid date range present - missing YYYY-YYYY value")
      valid_date_ranges = false
      return valid_date_ranges
    end

    start_date, end_date = date_range.split("-")

    unless valid_yyyy(start_date)
      record.errors.add(GeoblacklightAdmin::Schema.instance.solr_fields[:date_range],
        "invalid start date - bad YYYY-YYYY value, only integers or the wildcard '*' allowed")
      valid_date_ranges = false
    end

    unless valid_yyyy(end_date)
      record.errors.add(GeoblacklightAdmin::Schema.instance.solr_fields[:date_range],
        "invalid end date - bad YYYY-YYYY value, only integers or the wildcard '*' allowed")
      valid_date_ranges = false
    end

    # Allow only 1 wildcard
    if start_date == "*" && end_date == "*"
      record.errors.add(GeoblacklightAdmin::Schema.instance.solr_fields[:date_range],
        "invalid only one wildcard can be used")
      valid_date_ranges = false
    end

    # Avoid 1996-1946
    next unless start_date[/\d+/] && end_date[/\d+/] && start_date.to_i > end_date.to_i

    record.errors.add(GeoblacklightAdmin::Schema.instance.solr_fields[:date_range],
      "invalid start date must be less than the end date")
    valid_date_ranges = false
  end
  valid_date_ranges
end